private static void ClassHierarchyTest()
{
Console.WriteLine("Class hierarchy test...");
//create an event
Console.WriteLine("\tCreate new event");
MySafeEventHandle sh = Kernel32.CreateEvent(IntPtr.Zero, true, false, null);
Assert.IsFalse(sh.IsInvalid, "CreateEvent returned an invalid SafeHandle!");
Assert.IsTrue(Kernel32.SetEvent(sh), "SetEvent failed on a SafeHandle!");
Console.WriteLine("\tFirst test: Call dispose on sh");
sh.Dispose();
Console.WriteLine("\tCall succeeded.\n");
// Now create another event and force the critical finalizer to run.
Console.WriteLine("\tCreate new event");
sh = Kernel32.CreateEvent(IntPtr.Zero, false, true, null);
Assert.IsFalse(sh.IsInvalid, "CreateEvent returned an invalid SafeHandle!");
Console.WriteLine("\tSecond test: Force critical finalizer to run");
sh = null;
GC.Collect();
GC.WaitForPendingFinalizers();
Console.WriteLine("\tSucceeded.\n");
}
public static extern bool SetEvent(MySafeEventHandle handle);
internal static extern bool SetEvent(MySafeEventHandle handle);
